AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 35
AT91SAM7X256B-CU
Manufacturer Part Number
AT91SAM7X256B-CU
Description
IC MCU 256KB FLASH 100TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7X256B-CU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
62
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFBGA
Processor Series
91S
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
CAN, Ethernet, SPI, I2S, TWI, USART, USB
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
62
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Package
100TFBGA
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
On-chip Adc
8-chx10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (11Mb)
10.6
10.7
10.8
6120H–ATARM–17-Feb-09
Ethernet MAC
Serial Peripheral Interface
Two-wire Interface
• DMA Master on Receive and Transmit Channels
• Compatible with IEEE Standard 802.3
• 10 and 100 Mbit/s operation
• Full- and half-duplex operation
• Statistics Counter Registers
• MII/RMII interface to the physical layer
• Interrupt generation to signal receive and transmit completion
• 28-byte transmit FIFO and 28-byte receive FIFO
• Automatic pad and CRC generation on transmitted frames
• Automatic discard of frames received with errors
• Address checking logic supports up to four specific 48-bit addresses
• Support Promiscuous Mode where all valid received frames are copied to memory
• Hash matching of unicast and multicast destination addresses
• Physical layer management through MDIO interface
• Half-duplex flow control by forcing collisions on incoming frames
• Full-duplex flow control with recognition of incoming pause frames
• Support for 802.1Q VLAN tagging with recognition of incoming VLAN and priority tagged
• Multiple buffers per receive and transmit frame
• Jumbo frames up to 10240 bytes supported
• Supports communication with external serial devices
• Master or slave serial peripheral bus interface
• Master Mode only
• Compatibility with I
frames
– Four chip selects with external decoder allow communication with up to 15
– Serial memories, such as DataFlash
– Serial peripherals, such as ADCs, DACs, LCD Controllers, CAN Controllers and
– External co-processors
– 8- to 16-bit programmable data length per chip select
– Programmable phase and polarity per chip select
– Programmable transfer delays per chip select, between consecutive transfers and
– Programmable delay between consecutive transfers
– Selectable mode fault detection
– Maximum frequency at up to Master Clock
peripherals
Sensors
between clock and data
2
C compatible devices (refer to the TWI section of the datasheet)
AT91SAM7X512/256/128 Preliminary
®
and 3-wire EEPROMs
35
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